| Australien (2) |
|---|
| Popyrin, Alexei | | Tomljanovic, Ajla |
| | | Bosnien og Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Pospisil, Vasek |
|
| Kroatien (2) |
|---|
| Karlovic, Ivo | | Vekic, Donna |
| | Tjekkiet (1) |
|---|
| Vondrousova, Marketa |
| | Frankrig (2) |
|---|
| Chardy, Jeremy | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Tyskland (1) |
|---|
| Kerber, Angelique |
| | Italien (2) |
|---|
| Cocciaretto, Elisabetta | | Seppi, Andreas |
| | Kasakhstan (1) |
|---|
| Putintseva, Yulia |
| | Letland (2) |
|---|
| Gulbis, Ernests | | Sevastova, Anastasija |
|
| | Rumænien (2) |
|---|
| Begu, Irina-Camelia | | Halep, Simona |
| | Rusland (3) |
|---|
| Kuznetsova, Svetlana | | Medvedev, Daniil | | Sharapova, Maria |
| | Serbien (1) |
|---|
| Kecmanovic, Miomir |
|
| Sydkorea (1) |
|---|
| Kwon, Soonwoo |
| | Spanien (1) |
|---|
| Muguruza, Garbiñe |
| | Schweizisk (1) |
|---|
| Wawrinka, Stan |
| |
| USA (3) |
|---|
| Brady, Jennifer | | Rogers, Shelby | | Tiafoe, Frances |
|